The journalist John Sweeney has been on Vladimir Putin's case for 22 years since he first saw evidence of war crimes by the Russian army under Putin's command in Chechnya. John first called Vladimir Putin a war criminal in March 2000. And again and again he's seen evidence of Vladimir Putin killing people, killing people in Russia, killing people in Britain and around the world. Reporting from Kyiv this podcast will answer the question on everyone's lips, who could do this to Ukraine, to civilians, to children? Who is Putin?